<section id = "evt_View-beforechange" data-view = "true" data-view-title = "View - beforechange">
	<header>
		<a class = "nav-back" data-view-rel = ":back"></a>
		<span>View - beforechange</span>
		<a class = "menu"></a>
	</header>
	<div class = "body">
		<div class = "evt-name">beforechange</div>
		<div class = "evt-trigger-time">视图准备切换</div>
		<div class = "evt-attached-data">{currentView：[源视图], targetView：[目标视图], type：[切换类型], params: [视图参数]}</div>
		<div class = "evt-async">异步（异步触发将不会阻塞当前代码段的顺序执行；同步触发将阻塞当前代码段的顺序执行。）</div>
		<div class = "evt-sample">
			<div class = "code js" >
View.on("beforechange", function(e){});
			</div>
		</div>
	</div>
	<footer><div class = "btn next">下一节</div></footer>
</section>